ReviewBMC nephrology2024
Late-onset renal TMA and tubular injury in cobalamin C disease: a report of three cases and literature review.
Review in BMC nephrology, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed.
- The prognostic value of hyperhomocysteinemia in IgA nephropathy.International urology and nephrology · 2026Article
- Encephalitis-like presentation of methylmalonic acidemia with homocystinuria in a postpartum woman: a case report.Frontiers in psychiatry · 2026Article
- Case Report: Dilated cardiomyopathy as the initial presentation in an adult with late-onset CblC defect.Frontiers in cardiovascular medicine · 2025Article
Corrections and comments
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Authors and funding
10 authors.
Funding
Abstract
backgroundMutation of MMACHC gene causes cobalamin C disease (cblC), an inherited metabolic disorder, which presents as combined methylmalonic aciduria (MMA-uria) and hyperhomocysteinaemia in clinical. Renal complications may also be present in patients with this inborn deficiency. The most common histological change is thrombotic microangiopathy (TMA). However, to our acknowledge, renal tubular injury in the late-onset presentation of cblC is rarely been reported. This study provides a detailed description of the characteristics of kidney disease in cblC deficiency, aiming to improve the early recognition of this treatable disease for clinical nephrologists. CASE PRESENTATION: Here we described three teenage patients who presented with hematuria, proteinuria, and hypertension in clinical presentation. They were diagnosed with renal involvement due to cblC deficiency after laboratory tests revealing elevated serum and urine homocysteine, renal biopsy showing TMA and tubular injury, along with genetic testing showing heterogeneous compound mutations in MMACHC. Hydroxocobalamin, betaine, and L-carnitine were administered to these patients. All of them got improved, with decreased homocysteine, controlled blood pressure, and kidney outcomes recovered.
conclusionsThe clinical diagnosis of cblC disease associated with kidney injury should be considered in patients with unclear TMA accompanied by a high concentration of serum homocysteine, even in teenagers or adults. Early diagnosis and timely intervention are vital to improving the prognosis of cobalamin C disease. CLINICAL TRIAL NUMBER: Not applicable.
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